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Finding the Fourth Proportional to 282,441.90, 423,721.16 and 82,768.80

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Solution

The fourth proportional to 282,441.90, 423,721.16 and 82,768.80 is: 124,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,441.90 : 423,721.16 = 82,768.80 : x
  2. Step 2: Convert to fraction form
    282,441.90/423,721.16 = 82,768.80/x
  3. Step 3: Cross multiply
    282,441.90x = 423,721.16 × 82,768.80
  4. Step 4: Simplify right side
    282,441.90x = 35,070,891,947.81
  5. Step 5: Solve for x
    x = 35,070,891,947.81/282,441.90
  6. Step 6: Final answer
    x = 124,170.29

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